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Official data from INPI

Regulador da eficiência do freio.

ConcedidaInvention Patent

Application data

Number

PI8100051

Type

Invention Patent

Filing

01/07/1981

Publication

-

Progress at the INPI

  1. Filing01/07/81
  2. Publication
  3. Examination08/30/83
  4. Allowance09/25/84
  5. Grant03/26/85
  6. Expired03/19/96

The letters patent expired on 03/19/1996: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 03/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Wabco Fahrzeugbremsen GMBH.

DE

Inventors

F. G. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

3001679.6 · 01/18/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/26/1985

RPI 753

Notificação para pagamento de retribuição

#13.1

01/29/1985

RPI 745

Deferimento

#9.1

09/25/1984

RPI 727

Exigência - art. 36 da LPI

#6.1

03/07/1984

RPI 698

Solicitação de exame técnico

#4.1

08/30/1983

RPI 671

Carta-patente expirada

#21.1

03/19/1996

RPI 1320

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